A deterministic predator-prey model is presented for describing the dynamics of a solid tumor in the presence of a specifically reactive lymphocyte population which is stimulated by, and antagonistic to, the tumor. The qualitative behavior of the solutions is developed and briefly compared to the re
Immune surveillance and neoplasia—II a two-stage mathematical model
✍ Scribed by Aldo Rescigno; Charles DeLisi
- Book ID
- 104272243
- Publisher
- Springer
- Year
- 1977
- Tongue
- English
- Weight
- 641 KB
- Volume
- 39
- Category
- Article
- ISSN
- 1522-9602
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✦ Synopsis
In a previous paper (DeLisi and Rescigno, 1977) a model for the interaction of tumor cells and killer lymphocytes was presented. Although that model was highly simplified, the qualitative behavior was in accord with intuitive expectations and a wide range of data, It could not however account for de nova tumor development. In this paper a slightly more realistic model is presented by introducing a delay in the formation of killer lymphocytea. This is done by requiring two stages in the production of a killer. We show that introduction of this second stage allows tumor development from even a single cell, thus removing an important limitation of two variable systems.
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